<template>
  <el-form
    ref="deptForm"
    :model="form"
    :rules="formRules"
    label-width="120px"
  >
    <el-form-item label="部门名称" prop="name">
      <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门编码" prop="code">
      <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门负责人" prop="manager">
      <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
        <el-option
          v-for="item in list"
          :key="item.id"
          :value="item.username"
          :label="item.username"
        />

      </el-select>
    </el-form-item>
    <el-form-item label="部门介绍" prop="introduce">
      <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
      <el-button size="small" @click="hCancel">取消</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
import { getEmployeesSimples } from '@/api/employees'
import { addDepartment, getDepartmentDetail, updateDepartments } from '@/api/departments'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    const validCode = (rule, value, callback) => {
      let existCodeList = this.originList.map(item => item.code)
      if (this.isEdit) {
        existCodeList = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      }
      if (existCodeList.includes(value)) {
        callback(new Error(`该部门编码${value}已存在,请重新输入`))
      } else {
        callback()
      }
    }
    const validName = (rule, value, callback) => {
      let existNameList = this.originList.map(item => item.name)
      if (this.isEdit) {
        const pid = this.originList.find(item => item.id === this.id).pid
        const brothers = this.originList.filter(item => item.pid === pid)
        existNameList = brothers.filter(item => item.id !== this.id).map(item => item.name)
        console.log('existNameList', existNameList)
      }
      if (existNameList.includes(value)) {
        callback(new Error(`该部门名称${value}已存在,请重新输入`))
      } else {
        callback()
      }
    }
    return {
      form: {
        name: '',
        code: '',
        manager: '',
        introduce: ''
      },
      formRules: {
        name: [
          { required: true, trigger: 'blur', message: '请输入部门名称' },
          { min: 1, max: 10, trigger: 'blur', message: '请输入1~10位的部门名称' },
          { validator: validName, trigger: 'blur' }
        ],
        code: [
          { required: true, trigger: 'blur', message: '请输入部门编码' },
          { min: 1, max: 10, trigger: 'blur', message: '请输入1~10位的部门编码' },
          { validator: validCode, trigger: 'blur' }
        ],
        manager: [
          { required: true, trigger: 'blur', message: '请选择部门负责人' }
        ],
        introduce: [
          { required: true, trigger: 'blur', message: '请输入部门编码' },
          { min: 1, max: 300, trigger: 'blur', message: '请输入1~300位的部门介绍' }
        ]
      },
      list: [] // 部门负责人列表
    }
  },
  watch: {
  //   id:function(new_val,old_val){
  //     this.loadDepartmentDetail
  //     ()
  //   }
  },
  created() {
    this.loadEmployeesSimples()
    if (this.isEdit) {
      this.loadDepartmentDetail()
    }
  },
  methods: {
    // 获取部门负责列表
    async loadEmployeesSimples() {
      try {
        const res = await getEmployeesSimples()
        console.log('getEmployeesSimples', res)
        this.list = res.data
      } catch (error) {
        console.log('error catch', error)
      }
    },
    // 加载部门的数据详情,填充到表单中
    async loadDepartmentDetail() {
      try {
        const res = await getDepartmentDetail(this.id)
        console.log('getDepartmentDetail', res)
        this.form = res.data
      } catch (error) { console.log('catch error', error) }
    },
    // 提交添加子部门
    hSubmit() {
      this.$refs.deptForm.validate(valid => {
        if (!valid) return
        this.isEdit ? this.doEdit() : this.doAdd()
      })
    },
    // 添加子部门
    async doAdd() {
      try {
        const res = await addDepartment({ pid: this.id, ...this.form })
        console.log('addDepartment', res)
        // 通知父组件重新渲染
        this.$emit('success')
      } catch (error) { console.log('catch error', error) }
    },
    // 编辑子部门
    async doEdit() {
      try {
        await updateDepartments(this.form)
        this.$message.success('编辑成功')
        this.$emit('success')
      } catch (error) { console.log('catch error', error) }
    },
    // 取消删除
    hCancel() {
      this.$emit('close')
    },
    // 重置表单
    resetForm() {
      this.$refs.deptForm.resetFields()
    }
  }
}
</script>

<style>

</style>
